A note on analytic continuation to Minkowski space relevant for ${}^3{P}_0$ decay-model phenomenology

Abstract

We discuss some aspects of the uniqueness of analytically continuing Euclidean Green functions obtained by means of the Dyson-Schwinger equations (DSEs) and constrained by lattice data, back to Minkowski-space with physical $p^2$.

Presented at the Excited QCD 2026 Workshop, Granada, Spain. Accepted for APP-B Proceedings